#nav {
    margin-top: -10px;
}

#nav img {
    width: 44px;
    position: relative;
    top: 10px;
}

#nav li {
    display: inline-block;
}

#nav li:nth-child(2) {
    color: blue;
    margin-left: 5px;
}

#nav li:nth-child(4) {
    color: green;
    margin-left: 10px;
}

#spa {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px;
    background-color: blue;
    position: relative;
    top: 10px;
    margin-left: 850px;
}

#box1 {
    background-color: #00bcff;
    width: 1000px;
    height: 500px;
    margin: auto;
}

#box1 #sp a {
    text-decoration: none;
    margin-left: 20px;
    color: #fff;
}

h3 {
    margin-left: 400px;
    color: #fff;
}

h1 {
    margin-left: 450px;
    color: #fff;
}

#box2 {
    display: flex;
}

#left {
    margin-left: 300px;
    margin-right: 300px;
}

#left,
#right {
    color: #fff;
}

button {
    background-color: blue;
    color: #fff;
    width: 120px;
    height: 50px;
    margin-left: 450px;
    border: none;
    border-radius: 5px;
}
button a{
    text-decoration: none;
    color: #fff;
}